package org.jeecg.modules.basedata.controller;

import com.alibaba.fastjson.JSON;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.jeecg.common.api.vo.Result;
import org.jeecg.common.aspect.annotation.AutoLog;
import org.jeecg.common.system.query.QueryGenerator;
import org.jeecg.common.util.StringUtils;
import org.jeecg.common.util.oConvertUtils;
import org.jeecg.entity.basedata.BaseArea;
import org.jeecg.model.basedata.BaseAreaTree;
import org.jeecg.modules.basedata.service.IBaseAreaService;
import org.jeecgframework.poi.excel.ExcelImportUtil;
import org.jeecgframework.poi.excel.def.NormalExcelConstants;
import org.jeecgframework.poi.excel.entity.ExportParams;
import org.jeecgframework.poi.excel.entity.ImportParams;
import org.jeecgframework.poi.excel.view.JeecgEntityExcelView;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;

 /**
 * @Description: 区域
 * @Author: jeecg-boot
 * @Date:   2019-06-14
 * @Version: V1.0
 */
@Slf4j
@Api(tags="区域")
@RestController
@RequestMapping("/b/basedata/baseArea")
public class BaseAreaController {
	@Autowired
	private IBaseAreaService baseAreaService;
	
	/**
	  * 分页列表查询
	 * @param baseArea
	 * @param pageNo
	 * @param pageSize
	 * @param req
	 * @return
	 */
	@AutoLog(value = "区域-分页列表查询")
	@ApiOperation(value="区域-分页列表查询", notes="区域-分页列表查询")
	@GetMapping(value = "/list")
	public Result<List<BaseAreaTree>> queryPageList(BaseArea baseArea,
									  @RequestParam(name="pageNo", defaultValue="1") Integer pageNo,
									  @RequestParam(name="pageSize", defaultValue="10") Integer pageSize,
									  HttpServletRequest req) {
		try {
			if (baseArea.getCode() != null){
				baseArea.setCode("*"+baseArea.getCode()+"*");
			}
			if (baseArea.getName() != null){
				baseArea.setName("*"+baseArea.getName()+"*");
			}
			if (baseArea.getParentId() != null){
				baseArea.setParentId("*"+baseArea.getParentId()+"*");
			}
			List<BaseAreaTree> areaTreeList =  baseAreaService.getBaseAreaTree(baseArea,false,req);
			Result result = new Result();
			result.setResult(areaTreeList);
			result.setSuccess(true);
			return result;
		}catch (Exception e) {
			log.error(e.getMessage(),e);
			return Result.error(500,"操作失败");
		}
	}

	 /**
	  * 加载数据节点
	  *
	  * @return
	  */
	 @AutoLog(value = "区域树查询")
	 @ApiOperation(value="区域树查询", notes="区域树查询")
	 @RequestMapping(value = "/listTree", method = RequestMethod.GET)
	 @Cacheable(value = "area_tree_root",key = "'Area_Tree_Root'")
	 public Result<List<BaseAreaTree>> list(BaseArea baseArea,HttpServletRequest req) {
		 Result result = new Result();
		 try {
			 List<BaseAreaTree> areaTreeList =  baseAreaService.getBaseAreaTree(baseArea,true,req);
			 result.setResult(areaTreeList);
			 result.setSuccess(true);
			 return result;
		 } catch (Exception e) {
			 log.error(e.getMessage(), e);
		 }
		 return result;
	 }

	/**
	  *   添加
	 * @param baseArea
	 * @return
	 */
	@AutoLog(value = "区域-添加")
	@ApiOperation(value="区域-添加", notes="区域-添加")
	@PostMapping(value = "/add")
	public Result<BaseArea> add(@RequestBody BaseArea baseArea) {
		Result<BaseArea> result = new Result<BaseArea>();
		try {
			if (StringUtils.isNotBlank(baseArea.getParentParentIds())){
				baseArea.setParentIds(baseArea.getParentParentIds() + "," + baseArea.getParentId());
			} else {
				baseArea.setParentIds(baseArea.getParentId());
			}
			baseAreaService.save(baseArea);
			result.success("添加成功！");
		} catch (Exception e) {
			log.error(e.getMessage(),e);
			result.error500("操作失败");
		}
		return result;
	}
	
	/**
	  *  编辑
	 * @param baseArea
	 * @return
	 */
	@AutoLog(value = "区域-编辑")
	@ApiOperation(value="区域-编辑", notes="区域-编辑")
	@PutMapping(value = "/edit")
	public Result<BaseArea> edit(@RequestBody BaseArea baseArea) {
		Result<BaseArea> result = new Result<BaseArea>();
		BaseArea baseAreaEntity = baseAreaService.getById(baseArea.getId());
		if(baseAreaEntity==null) {
			return Result.error("未找到对应实体");
		}
		BaseArea parentEntity = baseAreaService.getById(baseArea.getParentId());
		if (parentEntity == null){
			return Result.error("上级区域不存在");
		}
		if ("1".equals(parentEntity.getId())){ //root节点
			baseArea.setParentIds(baseArea.getParentId());
		} else {
			baseArea.setParentIds(baseArea.getParentParentIds() + "," + baseArea.getParentId());
		}
		//初始化是补全 parentIds使用
		List<BaseArea> childList = baseAreaService.findByParentId(baseArea.getId());
		List<BaseArea> resultList = new ArrayList<>();
		initParentIds(baseArea,childList,resultList);
		if (resultList.size() > 0){
			baseAreaService.updateParentIds(resultList);
		}
		boolean ok = baseAreaService.updateById(baseArea);
		if(ok) {
			result.success("修改成功!");
		}
		return result;
	}

	public void initParentIds(BaseArea baseArea,List<BaseArea> childList,List<BaseArea> resultList){
		resultList.addAll(childList);
		for (BaseArea child:childList){
			child.setParentIds(baseArea.getParentIds() + "," + child.getParentId());
			List<BaseArea> subList = baseAreaService.findByParentId(child.getId());
			if (subList.size() > 0 ){
				initParentIds(child,subList,resultList);
			}
		}
	}

	
	/**
	  *   通过id删除
	 * @param id
	 * @return
	 */
	@AutoLog(value = "区域-通过id删除")
	@ApiOperation(value="区域-通过id删除", notes="区域-通过id删除")
	@DeleteMapping(value = "/delete")
	public Result<BaseArea> delete(@RequestParam(name="id",required=true) String id) {
		Result<BaseArea> result = new Result<BaseArea>();
		BaseArea baseArea = baseAreaService.getById(id);
		if(baseArea==null) {
			result.error500("未找到对应实体");
		}else {
			boolean ok = baseAreaService.removeById(id);
			if(ok) {
				result.success("删除成功!");
			}
		}
		
		return result;
	}
	
	/**
	  *  批量删除
	 * @param ids
	 * @return
	 */
	@AutoLog(value = "区域-批量删除")
	@ApiOperation(value="区域-批量删除", notes="区域-批量删除")
	@DeleteMapping(value = "/deleteBatch")
	public Result<BaseArea> deleteBatch(@RequestParam(name="ids",required=true) String ids) {
		Result<BaseArea> result = new Result<BaseArea>();
		if(ids==null || "".equals(ids.trim())) {
			result.error500("参数不识别！");
		}else {
			this.baseAreaService.removeByIds(Arrays.asList(ids.split(",")));
			result.success("删除成功!");
		}
		return result;
	}
	
	/**
	  * 通过id查询
	 * @param id
	 * @return
	 */
	@AutoLog(value = "区域-通过id查询")
	@ApiOperation(value="区域-通过id查询", notes="区域-通过id查询")
	@GetMapping(value = "/queryById")
	public Result<BaseArea> queryById(@RequestParam(name="id",required=true) String id) {
		Result<BaseArea> result = new Result<BaseArea>();
		BaseArea baseArea = baseAreaService.getById(id);
		if(baseArea==null) {
			result.error500("未找到对应实体");
		}else {
			result.setResult(baseArea);
			result.setSuccess(true);
		}
		return result;
	}

  /**
      * 导出excel
   *
   * @param request
   * @param response
   */
  @RequestMapping(value = "/exportXls")
  public ModelAndView exportXls(HttpServletRequest request, HttpServletResponse response) {
      // Step.1 组装查询条件
      QueryWrapper<BaseArea> queryWrapper = null;
      try {
          String paramsStr = request.getParameter("paramsStr");
          if (oConvertUtils.isNotEmpty(paramsStr)) {
              String deString = URLDecoder.decode(paramsStr, "UTF-8");
              BaseArea baseArea = JSON.parseObject(deString, BaseArea.class);
              queryWrapper = QueryGenerator.initQueryWrapper(baseArea, request.getParameterMap());
          }
      } catch (UnsupportedEncodingException e) {
          e.printStackTrace();
      }

      //Step.2 AutoPoi 导出Excel
      ModelAndView mv = new ModelAndView(new JeecgEntityExcelView());
      List<BaseArea> pageList = baseAreaService.list(queryWrapper);
      //导出文件名称
      mv.addObject(NormalExcelConstants.FILE_NAME, "区域列表");
      mv.addObject(NormalExcelConstants.CLASS, BaseArea.class);
      mv.addObject(NormalExcelConstants.PARAMS, new ExportParams("区域列表数据", "导出人:Jeecg", "导出信息"));
      mv.addObject(NormalExcelConstants.DATA_LIST, pageList);
      return mv;
  }

  /**
      * 通过excel导入数据
   *
   * @param request
   * @param response
   * @return
   */
  @RequestMapping(value = "/importExcel", method = RequestMethod.POST)
  public Result<?> importExcel(HttpServletRequest request, HttpServletResponse response) {
      MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
      Map<String, MultipartFile> fileMap = multipartRequest.getFileMap();
      for (Map.Entry<String, MultipartFile> entity : fileMap.entrySet()) {
          MultipartFile file = entity.getValue();// 获取上传文件对象
          ImportParams params = new ImportParams();
          params.setTitleRows(2);
          params.setHeadRows(1);
          params.setNeedSave(true);
          try {
              List<BaseArea> listBaseAreas = ExcelImportUtil.importExcel(file.getInputStream(), BaseArea.class, params);
              for (BaseArea baseAreaExcel : listBaseAreas) {
                  baseAreaService.save(baseAreaExcel);
              }
              return Result.ok("文件导入成功！数据行数:" + listBaseAreas.size());
          } catch (Exception e) {
              log.error(e.getMessage(),e);
              return Result.error("文件导入失败:"+e.getMessage());
          } finally {
              try {
                  file.getInputStream().close();
              } catch (IOException e) {
                  e.printStackTrace();
              }
          }
      }
      return Result.ok("文件导入失败！");
  }

}
